diff options
Diffstat (limited to 'stm32lib/src/stm32f10x_gpio.c')
| -rw-r--r-- | stm32lib/src/stm32f10x_gpio.c | 583 |
1 files changed, 0 insertions, 583 deletions
diff --git a/stm32lib/src/stm32f10x_gpio.c b/stm32lib/src/stm32f10x_gpio.c deleted file mode 100644 index 1979c05..0000000 --- a/stm32lib/src/stm32f10x_gpio.c +++ /dev/null @@ -1,583 +0,0 @@ -/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
-* File Name : stm32f10x_gpio.c
-* Author : MCD Application Team
-* Version : V2.0.2
-* Date : 07/11/2008
-* Description : This file provides all the GPIO firmware functions.
-********************************************************************************
-* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
-* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
-* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
-* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
-* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
-* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
-*******************************************************************************/
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x_gpio.h"
-#include "stm32f10x_rcc.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* ------------ RCC registers bit address in the alias region ----------- */
-#define AFIO_OFFSET (AFIO_BASE - PERIPH_BASE)
-
-/* --- EVENTCR Register ---*/
-/* Alias word address of EVOE bit */
-#define EVCR_OFFSET (AFIO_OFFSET + 0x00)
-#define EVOE_BitNumber ((u8)0x07)
-#define EVCR_EVOE_BB (PERIPH_BB_BASE + (EVCR_OFFSET * 32) + (EVOE_BitNumber * 4))
-
-#define EVCR_PORTPINCONFIG_MASK ((u16)0xFF80)
-#define LSB_MASK ((u16)0xFFFF)
-#define DBGAFR_POSITION_MASK ((u32)0x000F0000)
-#define DBGAFR_SWJCFG_MASK ((u32)0xF0FFFFFF)
-#define DBGAFR_LOCATION_MASK ((u32)0x00200000)
-#define DBGAFR_NUMBITS_MASK ((u32)0x00100000)
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name : GPIO_DeInit
-* Description : Deinitializes the GPIOx peripheral registers to their default
-* reset values.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_DeInit(GPIO_TypeDef* GPIOx)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
-
- switch (*(u32*)&GPIOx)
- {
- case GPIOA_BASE:
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, DISABLE);
- break;
-
- case GPIOB_BASE:
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, DISABLE);
- break;
-
- case GPIOC_BASE:
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, DISABLE);
- break;
-
- case GPIOD_BASE:
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, DISABLE);
- break;
-
- case GPIOE_BASE:
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, DISABLE);
- break;
-
- case GPIOF_BASE:
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, DISABLE);
- break;
-
- case GPIOG_BASE:
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, DISABLE);
- break;
-
- default:
- break;
- }
-}
-
-/*******************************************************************************
-* Function Name : GPIO_AFIODeInit
-* Description : Deinitializes the Alternate Functions (remap, event control
-* and EXTI configuration) registers to their default reset
-* values.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_AFIODeInit(void)
-{
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, DISABLE);
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Init
-* Description : Initializes the GPIOx peripheral according to the specified
-* parameters in the GPIO_InitStruct.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* - GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that
-* contains the configuration information for the specified GPIO
-* peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)
-{
- u32 currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
- u32 tmpreg = 0x00, pinmask = 0x00;
-
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode));
- assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin));
-
-/*---------------------------- GPIO Mode Configuration -----------------------*/
- currentmode = ((u32)GPIO_InitStruct->GPIO_Mode) & ((u32)0x0F);
-
- if ((((u32)GPIO_InitStruct->GPIO_Mode) & ((u32)0x10)) != 0x00)
- {
- /* Check the parameters */
- assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed));
- /* Output mode */
- currentmode |= (u32)GPIO_InitStruct->GPIO_Speed;
- }
-
-/*---------------------------- GPIO CRL Configuration ------------------------*/
- /* Configure the eight low port pins */
- if (((u32)GPIO_InitStruct->GPIO_Pin & ((u32)0x00FF)) != 0x00)
- {
- tmpreg = GPIOx->CRL;
-
- for (pinpos = 0x00; pinpos < 0x08; pinpos++)
- {
- pos = ((u32)0x01) << pinpos;
- /* Get the port pins position */
- currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
-
- if (currentpin == pos)
- {
- pos = pinpos << 2;
- /* Clear the corresponding low control register bits */
- pinmask = ((u32)0x0F) << pos;
- tmpreg &= ~pinmask;
-
- /* Write the mode configuration in the corresponding bits */
- tmpreg |= (currentmode << pos);
-
- /* Reset the corresponding ODR bit */
- if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
- {
- GPIOx->BRR = (((u32)0x01) << pinpos);
- }
- else
- {
- /* Set the corresponding ODR bit */
- if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
- {
- GPIOx->BSRR = (((u32)0x01) << pinpos);
- }
- }
- }
- }
- GPIOx->CRL = tmpreg;
- }
-
-/*---------------------------- GPIO CRH Configuration ------------------------*/
- /* Configure the eight high port pins */
- if (GPIO_InitStruct->GPIO_Pin > 0x00FF)
- {
- tmpreg = GPIOx->CRH;
- for (pinpos = 0x00; pinpos < 0x08; pinpos++)
- {
- pos = (((u32)0x01) << (pinpos + 0x08));
- /* Get the port pins position */
- currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos);
- if (currentpin == pos)
- {
- pos = pinpos << 2;
- /* Clear the corresponding high control register bits */
- pinmask = ((u32)0x0F) << pos;
- tmpreg &= ~pinmask;
-
- /* Write the mode configuration in the corresponding bits */
- tmpreg |= (currentmode << pos);
-
- /* Reset the corresponding ODR bit */
- if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
- {
- GPIOx->BRR = (((u32)0x01) << (pinpos + 0x08));
- }
- /* Set the corresponding ODR bit */
- if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
- {
- GPIOx->BSRR = (((u32)0x01) << (pinpos + 0x08));
- }
- }
- }
- GPIOx->CRH = tmpreg;
- }
-}
-
-/*******************************************************************************
-* Function Name : GPIO_StructInit
-* Description : Fills each GPIO_InitStruct member with its default value.
-* Input : - GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure
-* which will be initialized.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct)
-{
- /* Reset GPIO init structure parameters values */
- GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
- GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz;
- GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN_FLOATING;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_ReadInputDataBit
-* Description : Reads the specified input port pin.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* : - GPIO_Pin: specifies the port bit to read.
-* This parameter can be GPIO_Pin_x where x can be (0..15).
-* Output : None
-* Return : The input port pin value.
-*******************************************************************************/
-u8 GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, u16 GPIO_Pin)
-{
- u8 bitstatus = 0x00;
-
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
-
- if ((GPIOx->IDR & GPIO_Pin) != (u32)Bit_RESET)
- {
- bitstatus = (u8)Bit_SET;
- }
- else
- {
- bitstatus = (u8)Bit_RESET;
- }
- return bitstatus;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_ReadInputData
-* Description : Reads the specified GPIO input data port.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* Output : None
-* Return : GPIO input data port value.
-*******************************************************************************/
-u16 GPIO_ReadInputData(GPIO_TypeDef* GPIOx)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
-
- return ((u16)GPIOx->IDR);
-}
-
-/*******************************************************************************
-* Function Name : GPIO_ReadOutputDataBit
-* Description : Reads the specified output data port bit.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* : - GPIO_Pin: specifies the port bit to read.
-* This parameter can be GPIO_Pin_x where x can be (0..15).
-* Output : None
-* Return : The output port pin value.
-*******************************************************************************/
-u8 GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, u16 GPIO_Pin)
-{
- u8 bitstatus = 0x00;
-
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
-
- if ((GPIOx->ODR & GPIO_Pin) != (u32)Bit_RESET)
- {
- bitstatus = (u8)Bit_SET;
- }
- else
- {
- bitstatus = (u8)Bit_RESET;
- }
- return bitstatus;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_ReadOutputData
-* Description : Reads the specified GPIO output data port.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* Output : None
-* Return : GPIO output data port value.
-*******************************************************************************/
-u16 GPIO_ReadOutputData(GPIO_TypeDef* GPIOx)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
-
- return ((u16)GPIOx->ODR);
-}
-
-/*******************************************************************************
-* Function Name : GPIO_SetBits
-* Description : Sets the selected data port bits.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* - GPIO_Pin: specifies the port bits to be written.
-* This parameter can be any combination of GPIO_Pin_x where
-* x can be (0..15).
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_SetBits(GPIO_TypeDef* GPIOx, u16 GPIO_Pin)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GPIO_PIN(GPIO_Pin));
-
- GPIOx->BSRR = GPIO_Pin;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_ResetBits
-* Description : Clears the selected data port bits.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* - GPIO_Pin: specifies the port bits to be written.
-* This parameter can be any combination of GPIO_Pin_x where
-* x can be (0..15).
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_ResetBits(GPIO_TypeDef* GPIOx, u16 GPIO_Pin)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GPIO_PIN(GPIO_Pin));
-
- GPIOx->BRR = GPIO_Pin;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_WriteBit
-* Description : Sets or clears the selected data port bit.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* - GPIO_Pin: specifies the port bit to be written.
-* This parameter can be one of GPIO_Pin_x where x can be (0..15).
-* - BitVal: specifies the value to be written to the selected bit.
-* This parameter can be one of the BitAction enum values:
-* - Bit_RESET: to clear the port pin
-* - Bit_SET: to set the port pin
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_WriteBit(GPIO_TypeDef* GPIOx, u16 GPIO_Pin, BitAction BitVal)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GET_GPIO_PIN(GPIO_Pin));
- assert_param(IS_GPIO_BIT_ACTION(BitVal));
-
- if (BitVal != Bit_RESET)
- {
- GPIOx->BSRR = GPIO_Pin;
- }
- else
- {
- GPIOx->BRR = GPIO_Pin;
- }
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Write
-* Description : Writes data to the specified GPIO data port.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* - PortVal: specifies the value to be written to the port output
-* data register.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_Write(GPIO_TypeDef* GPIOx, u16 PortVal)
-{
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
-
- GPIOx->ODR = PortVal;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_PinLockConfig
-* Description : Locks GPIO Pins configuration registers.
-* Input : - GPIOx: where x can be (A..G) to select the GPIO peripheral.
-* - GPIO_Pin: specifies the port bit to be written.
-* This parameter can be any combination of GPIO_Pin_x where
-* x can be (0..15).
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, u16 GPIO_Pin)
-{
- u32 tmp = 0x00010000;
-
- /* Check the parameters */
- assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
- assert_param(IS_GPIO_PIN(GPIO_Pin));
-
- tmp |= GPIO_Pin;
- /* Set LCKK bit */
- GPIOx->LCKR = tmp;
- /* Reset LCKK bit */
- GPIOx->LCKR = GPIO_Pin;
- /* Set LCKK bit */
- GPIOx->LCKR = tmp;
- /* Read LCKK bit*/
- tmp = GPIOx->LCKR;
- /* Read LCKK bit*/
- tmp = GPIOx->LCKR;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_EventOutputConfig
-* Description : Selects the GPIO pin used as Event output.
-* Input : - GPIO_PortSource: selects the GPIO port to be used as source
-* for Event output.
-* This parameter can be GPIO_PortSourceGPIOx where x can be
-* (A..E).
-* - GPIO_PinSource: specifies the pin for the Event output.
-* This parameter can be GPIO_PinSourcex where x can be (0..15).
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_EventOutputConfig(u8 GPIO_PortSource, u8 GPIO_PinSource)
-{
- u32 tmpreg = 0x00;
-
- /* Check the parameters */
- assert_param(IS_GPIO_EVENTOUT_PORT_SOURCE(GPIO_PortSource));
- assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
-
- tmpreg = AFIO->EVCR;
- /* Clear the PORT[6:4] and PIN[3:0] bits */
- tmpreg &= EVCR_PORTPINCONFIG_MASK;
- tmpreg |= (u32)GPIO_PortSource << 0x04;
- tmpreg |= GPIO_PinSource;
-
- AFIO->EVCR = tmpreg;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_EventOutputCmd
-* Description : Enables or disables the Event Output.
-* Input : - NewState: new state of the Event output.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_EventOutputCmd(FunctionalState NewState)
-{
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) EVCR_EVOE_BB = (u32)NewState;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_PinRemapConfig
-* Description : Changes the mapping of the specified pin.
-* Input : - GPIO_Remap: selects the pin to remap.
-* This parameter can be one of the following values:
-* - GPIO_Remap_SPI1
-* - GPIO_Remap_I2C1
-* - GPIO_Remap_USART1
-* - GPIO_Remap_USART2
-* - GPIO_PartialRemap_USART3
-* - GPIO_FullRemap_USART3
-* - GPIO_PartialRemap_TIM1
-* - GPIO_FullRemap_TIM1
-* - GPIO_PartialRemap1_TIM2
-* - GPIO_PartialRemap2_TIM2
-* - GPIO_FullRemap_TIM2
-* - GPIO_PartialRemap_TIM3
-* - GPIO_FullRemap_TIM3
-* - GPIO_Remap_TIM4
-* - GPIO_Remap1_CAN
-* - GPIO_Remap2_CAN
-* - GPIO_Remap_PD01
-* - GPIO_Remap_TIM5CH4_LSI
-* - GPIO_Remap_ADC1_ETRGINJ
-* - GPIO_Remap_ADC1_ETRGREG
-* - GPIO_Remap_ADC2_ETRGINJ
-* - GPIO_Remap_ADC2_ETRGREG
-* - GPIO_Remap_SWJ_NoJTRST
-* - GPIO_Remap_SWJ_JTAGDisable
-* - GPIO_Remap_SWJ_Disable
-* - NewState: new state of the port pin remapping.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_PinRemapConfig(u32 GPIO_Remap, FunctionalState NewState)
-{
- u32 tmp = 0x00, tmp1 = 0x00, tmpreg = 0x00, tmpmask = 0x00;
-
- /* Check the parameters */
- assert_param(IS_GPIO_REMAP(GPIO_Remap));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- tmpreg = AFIO->MAPR;
-
- tmpmask = (GPIO_Remap & DBGAFR_POSITION_MASK) >> 0x10;
- tmp = GPIO_Remap & LSB_MASK;
-
- if ((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK))
- {
- tmpreg &= DBGAFR_SWJCFG_MASK;
- AFIO->MAPR &= DBGAFR_SWJCFG_MASK;
- }
- else if ((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK)
- {
- tmp1 = ((u32)0x03) << tmpmask;
- tmpreg &= ~tmp1;
- tmpreg |= ~DBGAFR_SWJCFG_MASK;
- }
- else
- {
- tmpreg &= ~(tmp << ((GPIO_Remap >> 0x15)*0x10));
- tmpreg |= ~DBGAFR_SWJCFG_MASK;
- }
-
- if (NewState != DISABLE)
- {
- tmpreg |= (tmp << ((GPIO_Remap >> 0x15)*0x10));
- }
-
- AFIO->MAPR = tmpreg;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_EXTILineConfig
-* Description : Selects the GPIO pin used as EXTI Line.
-* Input : - GPIO_PortSource: selects the GPIO port to be used as
-* source for EXTI lines.
-* This parameter can be GPIO_PortSourceGPIOx where x can be
-* (A..G).
-* - GPIO_PinSource: specifies the EXTI line to be configured.
-* This parameter can be GPIO_PinSourcex where x can be (0..15).
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_EXTILineConfig(u8 GPIO_PortSource, u8 GPIO_PinSource)
-{
- u32 tmp = 0x00;
-
- /* Check the parameters */
- assert_param(IS_GPIO_EXTI_PORT_SOURCE(GPIO_PortSource));
- assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource));
-
- tmp = ((u32)0x0F) << (0x04 * (GPIO_PinSource & (u8)0x03));
-
- AFIO->EXTICR[GPIO_PinSource >> 0x02] &= ~tmp;
- AFIO->EXTICR[GPIO_PinSource >> 0x02] |= (((u32)GPIO_PortSource) << (0x04 * (GPIO_PinSource & (u8)0x03)));
-}
-
-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
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